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HELPPPPPPPPPPPPPPPPPPPP
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Dec 27, 2019
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HELPPPPPPPPPPPPPPPPPPPP
Mathematics
high-school
Tdy
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Tdy
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weight of copper = 1/2w and weight of zinc = 1/2 w
So:-
c = 0.5w*6 + 0.5w*3
c = 3w + 1.5w = 4.5w
this equation is the same as choice A
Kintsukuroi
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Dec 31, 2019
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Kintsukuroi
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